<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
  <title>默认样式信息窗体</title>
  <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
  <style>
    html, body, #container {
      height: 100%;
      width: 100%;
    }

    .content-window-card {
      position: relative;
      box-shadow: none;
      bottom: 0;
      left: 0;
      width: auto;
      padding: 0;
    }

    .content-window-card p {
      height: 2rem;
    }

    .custom-info {
      border: solid 1px silver;
    }

    div.info-top {
      position: relative;
      background: none repeat scroll 0 0 #F9F9F9;
      border-bottom: 1px solid #CCC;
      border-radius: 5px 5px 0 0;
    }

    div.info-top div {
      display: inline-block;
      color: #333333;
      font-size: 14px;
      font-weight: bold;
      line-height: 31px;
      padding: 0 10px;
    }

    div.info-top img {
      position: absolute;
      top: 10px;
      right: 10px;
      transition-duration: 0.25s;
    }

    div.info-top img:hover {
      box-shadow: 0px 0px 5px #000;
    }

    div.info-middle {
      font-size: 12px;
      padding: 10px 6px;
      line-height: 20px;
    }

    div.info-bottom {
      height: 0px;
      width: 100%;
      clear: both;
      text-align: center;
    }

    div.info-bottom img {
      position: relative;
      z-index: 104;
    }

    span {
      margin-left: 5px;
      font-size: 11px;
    }

    .info-middle img {
      float: left;
      margin-right: 6px;
    }
  </style>
</head>
<body>
<div id="container"></div>
<div class="info">
  点击地图上的点标记，打开所添加的自定义信息窗体
</div>
<script type="text/javascript"
        src="https://webapi.amap.com/maps?v=1.4.15&key=您申请的key值"></script>
<script type="text/javascript">    //地图初始化时，在地图上添加一个marker标记,鼠标点击marker可弹出自定义的信息窗体
var map = new AMap.Map("container", {
  resizeEnable: true,
  center: [116.481181, 39.989792],
  zoom: 16
});
addMarker();

//添加marker标记
function addMarker() {
  map.clearMap();
  var marker = new AMap.Marker({
    map: map,
    position: [116.481181, 39.989792]
  });
  //鼠标点击marker弹出自定义的信息窗体
  AMap.event.addListener(marker, 'click', function () {
    infoWindow.open(map, marker.getPosition());
  });
}

//实例化信息窗体
var title = '方恒假日酒店<span style="font-size:11px;color:#F00;">价格:318</span>',
        content = [];
content.push("<img src='http://tpc.googlesyndication.com/simgad/5843493769827749134'>地址：北京市朝阳区阜通东大街6号院3号楼东北8.3公里");
content.push("电话：010-64733333");
content.push("<a href='https://ditu.amap.com/detail/B000A8URXB?citycode=110105'>详细信息</a>");
var infoWindow = new AMap.InfoWindow({
  isCustom: true,  //使用自定义窗体
  content: createInfoWindow(title, content.join("<br/>")),
  offset: new AMap.Pixel(16, -45)
});

//构建自定义信息窗体
function createInfoWindow(title, content) {
  var info = document.createElement("div");
  info.className = "custom-info input-card content-window-card";

  //可以通过下面的方式修改自定义窗体的宽高
  //info.style.width = "400px";
  // 定义顶部标题
  var top = document.createElement("div");
  var titleD = document.createElement("div");
  var closeX = document.createElement("img");
  top.className = "info-top";
  titleD.innerHTML = title;
  closeX.src = "https://webapi.amap.com/images/close2.gif";
  closeX.onclick = closeInfoWindow;

  top.appendChild(titleD);
  top.appendChild(closeX);
  info.appendChild(top);

  // 定义中部内容
  var middle = document.createElement("div");
  middle.className = "info-middle";
  middle.style.backgroundColor = 'white';
  middle.innerHTML = content;
  info.appendChild(middle);

  // 定义底部内容
  var bottom = document.createElement("div");
  bottom.className = "info-bottom";
  bottom.style.position = 'relative';
  bottom.style.top = '0px';
  bottom.style.margin = '0 auto';
  var sharp = document.createElement("img");
  sharp.src = "https://webapi.amap.com/images/sharp.png";
  bottom.appendChild(sharp);
  info.appendChild(bottom);
  return info;
}

//关闭信息窗体
function closeInfoWindow() {
  map.clearInfoWindow();
}
</script>
</body>
</html>